People can learn and formulate new memories during sleep, new study shows. The effect was seen only during REM or light non-REM sleep. Exposure to patterns in deep NREM sleep had the opposite effect, suppressing the ability to learn new information.

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People can learn and formulate new memories during sleep, new study shows. The effect was seen only during REM or light non-REM sleep. Exposure to patterns in deep NREM sleep had the opposite effect, suppressing the ability to learn new information.